18887288

素因数分解:

$2^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{919}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 40627200

約数和(自身を除く): 21739912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367, 734, 919, 1468, 1838, 2569, 2936, 3676, 5138, 6433, 7352, 10276, 12866, 20552, 25732, 51464, 337273, 674546, 1349092, 2360911, 2698184, 4721822, 9443644, 18887288]

約数ペア:

[(1, 18887288), (2, 9443644), (4, 4721822), (7, 2698184), (8, 2360911), (14, 1349092), (28, 674546), (56, 337273), (367, 51464), (734, 25732), (919, 20552), (1468, 12866), (1838, 10276), (2569, 7352), (2936, 6433), (3676, 5138)]